メタデータ名 G20473066023
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2500000 39.8125000, 141.2562500 39.8125000, 141.2562500 39.8166667, 141.2500000 39.8166667, 141.2500000 39.8125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral